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02 protege stalls after hitting boost ??
Hey guys I’m new to this forum stuff I usually just read from them never post but this problem has been killing me . I recently decided to boost my project car a 2002 Mazda protege lx and before boosting I rebuilt the engine completely forged rods pistons etc.anyways fast forward a couple of months and I have the turbo piping done. I decided to not run an intercooler and run from the turbo 2 1/5 inches all the way to the intake manifold . I have the intake temperature sensor still on the piping and my mass airflow sensor is before the turbo I am just wondering how come everytime I hit boost or rev up quickly and let go of the gas the car stalls but will start right up afterwards have mercy on my lack of how forums work -Kevin |
What ECU/PCM are you running?
What tuning has been done for boost? If you haven't tuned it, the ECU will be having a fit not knowing what boost is. |
Originally Posted by grim_reaper
(Post 167011)
What ECU/PCM are you running?
What tuning has been done for boost? If you haven't tuned it, the ECU will be having a fit not knowing what boost is. |
Given your custom rig, your best option is probably one of the Megasquirt options and a professional tune.
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Originally Posted by shipo
(Post 167025)
Given your custom rig, your best option is probably one of the Megasquirt options and a professional tune.
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I suppose it is technically possible, but I doubt you'd come anywhere near an optimal tune. My son just turbocharged his NA Miata, bought the Megasquirt, did the initial tune himself, and still ended up taking it in for a professional tune. Not convinced? The thing is, at the time he was the Navy's top mechanic on the GE F414 engine which powers the F-18 Super Hornet so he's pretty good with this kind of stuff.
In the end he said it was money well spent, the tune shop got considerably more power out of the engine and it actually improved fuel economy over the stock non-turbo version of the engine (assuming he keeps his foot very light on the go pedal). |
Originally Posted by shipo
(Post 167028)
I suppose it is technically possible, but I doubt you'd come anywhere near an optimal tune. My son just turbocharged his NA Miata, bought the Megasquirt, did the initial tune himself, and still ended up taking it in for a professional tune. Not convinced? The thing is, at the time he was the Navy's top mechanic on the GE F414 engine which powers the F-18 Super Hornet so he's pretty good with this kind of stuff.
In the end he said it was money well spent, the tune shop got considerably more power out of the engine and it actually improved fuel economy over the stock non-turbo version of the engine (assuming he keeps his foot very light on the go pedal). |
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